Shera, a female African lion, died Thursday at the National Zoo in Washington after suffering a decline in mobility and being ...

One of the oldest lions in the country was humanely euthanized on Thursday, May 7, the National Zoo announced. Shera, a ...

Two lion brothers, including one with an amputated leg, were spotted making a record-breaking night swim through treacherous waters in Uganda’s Queen Elizabeth National Park. Researchers believe that ...

For the first time ever, the Oklahoma Department of Wildlife Conservation has confirmed the presence of reproducing female mountain lions in Oklahoma — a historic milestone in the state’s wildlife ...

ST. LOUIS (Gray News) – The Saint Louis Zoo is mourning the loss of its 19-year-old female African lion, Cabara. Cabara was euthanized Tuesday due to advanced liver disease, the zoo announced in a ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Two lion brothers ...